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Nutrients & Supplements

Soil Amendments
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Growth Science Nutrients Base A, 1 qt
In Stock: 10
$6.96 $17.99 -61%
Grotek Heavy Bud Pro 1-0-3 | 500mL - (Case of 6)
In Stock: 12
$6.92 $20.99 -67%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed - (Case of 12)
In Stock: 1120
$6.85 $11.29 -39%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed - (Case of 10)
Out of stock
$6.85 $11.29 -39%
Olivia's Cloning Solution | 32oz (1qt) - (Case of 24)
In Stock: 24
$6.82 $13.95 -51%
Plant Success Organics Granular 3-1-2 | 4oz - Granules - (Case of 12)
In Stock: 243
$6.75 $8.65 -22%
Elite Resin D, 32 oz - A Hydrofarm Exclusive!
In Stock: 87
$6.73 $72.59 -91%
Down to Earth Solution Grade Gypsum | 5lb - OMRI Listed - (Case of 5)
Out of stock
$6.72 $15.49 -57%
Primordial Solutions Rootamentary, 16 oz
In Stock: 49
$6.61 $45.99 -86%
Remo Micro, 1 L
In Stock: 39
$6.57 $22.99 -71%
Grotek Biofuse | 100g - (Case of 12)
In Stock: 260
$6.52 $19.79 -67%
Mad Farmer Mother Of All Bloom, 100g
In Stock: 145
$6.52 $16.05 -59%
Key Grow Solutions Green Dragon 0-0-18 | 32oz - (Case of 14)
In Stock: 896
$6.47 $39.99 -84%
Key Grow Solutions Silver Rabbit 7-20-4 | 32oz - (Case of 14)
In Stock: 154
$6.47 $39.99 -84%
Optic Foliar REV, 500 ml - (Case of 12)
In Stock: 19
$6.35 $71.99 -91%
Optic Foliar Watts, 500 ml - (Case of 12)
In Stock: 24
$6.35 $71.99 -91%
Grotek Vitamax Pro 1-1-1 | 500mL - (Case of 6)
In Stock: 6
$6.32 $14.59 -57%
True Organic Bone Meal 7-7-0 | 3lb - Resealable Bag - Spring & Fall Application - Covers up to 61sq ft. - OMRI Listed - (Case of 6)
In Stock: 905
$6.32 $7.99 -21%
Down to Earth Langbeinite 0-0-22 | 1lb - OMRI Listed - (Case of 6)
In Stock: 113
$6.16 $10.29 -40%
Down to Earth Potassium Sulfate 0-0-50 | 1lb - OMRI Listed - (Case of 6)
In Stock: 192
$6.16 $10.29 -40%
Soul Sensei Micro, 1 gal
In Stock: 325
$6.10 $46.19 -87%
Optic Foliar Transport, 60 ml - (Case of 12)
In Stock: 12
$6.09 $12.99 -53%
True Organic Liquid All-Purpose Plant Food | 16oz - OMRI Listed - (Case of 6)
In Stock: 132
$5.98 $8.99 -33%
True Organic Liquid Tomato & Vegetable Food 3-2-3 | 16oz - Concentrate - Use Every Two Weeks - Covers up to 30sq ft - OMRI Listed - (Case of 6)
In Stock: 174
$5.98 $8.99 -33%
True Organic Liquid Bloom Boost | 16oz - OMRI Listed - (Case of 6)
In Stock: 174
$5.98 $8.99 -33%
Grotek Blossom Blaster Pro 1-4-0 | 500mL - (Case of 6)
In Stock: 30
$5.94 $17.99 -67%
Grotek Vitamax Plus, 1 L
In Stock: 185
$5.91 $24.99 -76%
Grotek Cal Max 2-0-0 | 500mL - (Case of 6)
In Stock: 12
$5.86 $11.29 -48%
Down to Earth Shrimp Meal 6-6-0 | 2lb - OMRI Listed - (Case of 6)
In Stock: 72
$5.77 $11.99 -52%
Grotek Insta-Green 3-0-0 | 500mL - (Case of 6)
In Stock: 12
$5.54 $10.59 -48%
Vegamatrix Amp-It, 1qt
In Stock: 82
$5.37 $35.99 -85%
FoxFarm Bush Doctor Cal-Mag, 1 pt
In Stock: 1108
$5.32 $17.38 -69%
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